Brother 09055CDN Service Manual page 59

Error
Problem
codes
6A Fuser unit error. (The center
thermistor does not detect 60 °C
within the specified time.)
6B Fuser unit error. (The center
thermistor does not detect 100
°C within the specified time.)
6C Fuser unit error. (The center
thermistor detects 270 °C or
higher temperature for 1 second.)
6D Fuser unit error. (The center
thermistor detects 60 °C or
lower temperature for 1 second
during standby or printing.)
6E Fuser unit error. (The center
thermistor fails to detect the
temperature rise even after the
halogen heater is turned ON
during printing and 15 second
pass.)
6F Fuser unit error. (The center and
side thermistors detect extremely
high temperature.) (Detection of
hardware.)
70 Fuser develop motor error.
71 Laser unit polygon motor error.
72 Beam detecting sensor (Black/
Yellow) error of the laser unit.
73 Beam detecting sensor (Cyan/
Magenta) error of the laser unit.
74 The color toner reached the end
of life during printing.
75 Cooling down the inside of the
machine to protect it.
76 Fuser unit error. (The center
thermistor detects the sharp
temperature rise.)
78 Fuser unit error. (The center
thermistor detects the sharp
temperature fall.)
Refer Error
to: codes
2-57 7A Engine PCB error. (detection of
PF drive motor lock error.)
7B Engine PCB error.
2-57 7C Communication error between
the engine PCB and main PCB.
7D Dirt on drum unit.
2-57 7E Belt unit is at the end of life.
(The operation is stopped.)
7F
FAX paper size is incorrect.
(Menu setting)
2-57
80
FAX paper size is incorrect. (The
actually loaded paper is small.)
2-57 81 Incorrect density sensor
measurement value when
implementing adjustment of
color density.
82 Density patch measurement is
not completed normally when
2-58
implementing adjustment of
color density.
83 Drum unit error.
(An drum error occurred after
2-58
the drum unit reached the end of
life.)
2-59
2-59 84 Paper jam at the rear section of
the machine.
2-59 85 The paper tray 1 is not installed.
86 The paper tray 2 is not installed.
2-59 87 Toner of the color which is being
used reaches the end of life
when implementing adjustment
of color density.
2-60
88 Paper jam inside the machine.
2-60 89 Unsupported paper size is used
for duplex printing.
2-60 8A Paper jam in the paper tray 1.
8B Paper jam in the paper tray 2.
8C Paper jam in the MP tray.
2-20
Problem
Confidential
Refer
to:
2-60
2-61
2-61
2-61
2-64
2-64
2-64
2-65
2-65
2-66
2-66
2-67
2-67
2-68
2-68
2-69
2-69
2-70
2-71